given a birthday date will display the day of the week.

It will receive a number then receive the birthday date and return the day of the week then display how many birthday dates fall on each day of the week.

need a formula to calculate the day of the week for December 31 of the previous year.

Day 0: Sunday

Day 1: Monday

Day 2: Tuesday

Day 3: Wednesday

Day 4: Thursday

Day 5: Friday

Day 6: Saturday

Use switch statement to make this calculation.